<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <link rel="stylesheet" href="https://at.alicdn.com/t/font_3063387_n4c5g2f8m8r.css">
  <style>
    body{
      padding: 0;
      margin: 0;

    }
    ul{
      list-style: none;
      margin: 0;
      padding: 0;
    }
    
    .tool-bar{
      position: fixed;
      right: 10px;
      bottom: 100px;
    }
    .item{
      width: 84px;
      height: 92px;
      background: #fff;
      box-sizing: border-box;
      text-align: center;
      color: #757575;
      padding-top: 18px;
    }
    .item:first-child{
      position: relative;
    }
    .item:hover{
      color: #ff6700;
    }
    .item+ .item{
      border-top: 1px solid #f5f5f5;
    }
    .tool-bar .iconfont{
      font-size: 30px;
      margin-bottom: 8px;
      display: block;
    }
    .item .name{
      font-size: 14px;
    }
    .qrcode{
      width: 140px;
      height: 192px;
      position: absolute;
      top: 0;
      right: 84px;
      display: none;
    }
    .item:first-child:hover .qrcode{
      display: block;
    }
    .qrcode-item{
      width: 130px;
      height: 192px;
      background: #fff;
      padding: 14px;
      box-sizing: border-box;
      border: 1px solid #f5f5f5;
    }
    .qrcode-item::after{
      content: "";
      display: block;
      width: 0;
      height: 0;
      position: absolute;
      border: 7px solid transparent;
      border-left-color: #f5f5f5;
      right: -4px;
      top: 41px;
    }
    .qrcode-item::before{
      content: "";
      display: block;
      width: 0;
      height: 0;
      position: absolute;
      border: 7px solid transparent;
      border-left-color: #fff;
      right: -1px;
      top: 42px;
    }
    .desc{
      font-size: 14px;
      color: #757575;
    }
      
  </style>
</head>
<body>
  <div class="container"></div>
  <ul class="tool-bar">
    <li class="item">
      <span class="iconfont icon-tel"></span>
      <span class="name">手机APP</span>
      <div class="qrcode">
        <div class="qrcode-item">
          <img width="100%" src="https://cdn.cnbj1.fds.api.mi-img.com/mi-mall/78c30d4f259ed43ab20e810a522a6249.png" alt="">
          <p class="desc">扫码领取<br>新人百元礼包</p>
        </div>
      </div>
    </li>
    <li class="item">
      <span class="iconfont icon-kefu"></span>
      <span class="name">人工客服</span>
    </li>
    <li class="item">
      <span class="iconfont icon-editor2"></span>
      <span class="name">售后服务</span>
    </li>
    <li class="item">
      <span class="iconfont icon-editor2"></span>
      <span class="name">个人中心</span>
    </li>
    <li class="item">
      <span class="iconfont icon-31gouwuche"></span>
      <span class="name">购物车</span>
    </li>
  </ul>
</body>
</html>